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Icing Wind Tunnel Interfacility Comparison Tests

AC-9C Aircraft Icing Technology Committee
  • Aerospace Standard
  • AIR5666A
  • Current
Published 2018-10-16 by SAE International in United States
This SAE Aerospace Information Report (AIR) presents and discusses the results of tests of three models in six icing wind tunnels in North America and Europe. This testing activity was initiated by the Facility Standardization Panel of the SAE AC-9C Aircraft Icing Technology Subcommittee. The objective of the testing activity was to establish a benchmark that compared ice shapes produced by icing wind tunnels available for use by the aviation industry and to use that benchmark as a basis for dialogue between facility owners to improve the state-of-the-art of icing wind tunnel technology.
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Minimum Operational Performance Specification for Inflight Icing Detection Systems

AC-9C Aircraft Icing Technology Committee
  • Aerospace Standard
  • AS5498A
  • Current
Published 2017-12-05 by SAE International in United States
No Abstract Available.
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SAE Aerospace Applied Thermodynamics Manual Ice, Rain, Fog, and Frost Protection

AC-9C Aircraft Icing Technology Committee
  • Aerospace Standard
  • AIR1168/4B
  • Current
Published 2016-08-29 by SAE International in United States
This section presents the basic equations for computing ice protection requirements for nontransparent and transparent surfaces and for fog and frost protection of windshields. Simplified graphical presentations suitable for preliminary design and a description of various types of ice, fog, frost, and rain protection systems are also presented.
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Calibration and Acceptance of Icing Wind Tunnels

AC-9C Aircraft Icing Technology Committee
  • Aerospace Standard
  • ARP5905
  • Current
Published 2015-09-26 by SAE International in United States
This SAE Aerospace Recommended Practice (ARP) document provides recommended practices for the calibration and acceptance of icing wind tunnels to be used in testing of aircraft components and systems and for the development of simulated ice shapes. This document is not applicable to air-breathing propulsion test facilities configured for the purposes of engine icing tests. Use of facilities as part of an aircraft’s ice protection Certification Plan should be reviewed and accepted by the applicable regulatory agency prior to testing. Following acceptance of a test plan, data generated in these facilities may be submitted to regulatory agencies for use in the certification of aircraft ice protection systems and components. Certain types of tests may be appropriate in facilities with capabilities that are not as rigorously characterized as by the practices defined herein, and the acceptability of these tests should be coordinated with the applicable regulatory agency.
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Summary of Icing Simulation Test Facilities

AC-9C Aircraft Icing Technology Committee
  • Aerospace Standard
  • AIR5320A
  • Current
Published 2015-09-25 by SAE International in United States
This SAE Aerospace Information Report (AIR) contains information on most of the major icing simulation ground facilities. An effort was made to obtain data from as many facilities as possible over a two year time period. The data in this document represents the state of the facilities in calendar year 1996. Facilities are constantly changing and upgrading and, therefore, some facility specifications may change during the life of this report. Of the 27 facilities described in this report, the primary use is split with approximately half for engine testing and half for wind tunnel testing. The facilities are limited to ground facilities and, therefore, icing tankers have not been included.
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Characterizations of Aircraft Icing Conditions

AC-9C Aircraft Icing Technology Committee
  • Aerospace Standard
  • AIR5396A
  • Current
Published 2015-08-24 by SAE International in United States
This SAE Aerospace Information Report (AIR) provides various graphical displays of atmospheric variables related to aircraft icing conditions in natural clouds. It is intended as a review of recent developments on the subject, and for stimulating thought on novel ways to arrange and use the available data. Included in this Report is FAR 25 (JAR 25) Appendix C, the established Aircraft Icing Atmospheric Characterization used for engineering design, development, testing and certification of civilian aircraft to fly in aircraft icing conditions.
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Ice and Rain Minimum Qualification Standards for Pitot and Pitot-static Probes

AC-9C Aircraft Icing Technology Committee
  • Aerospace Standard
  • AS5562
  • Current
Published 2015-08-07 by SAE International in United States
This SAE Aerospace Standard (AS) establishes minimum ice and rain performance criteria for electrically-heated pitot and pitot-static probes intended for use on the following classes of fixed-wing aircraft and rotorcraft. The classes of fixed-wing aircraft are defined by aircraft flight envelopes and are shown in Figure 1. The flight envelopes generally fall into the classes as shown below: The user of this standard must evaluate the aircraft level installation requirements for the probe against the class definition criteria to ensure adequate coverage for the application. It may be necessary to step up in class or modify the test conditions in order to meet the applicable installation requirements. NOTE: Class 2 is divided into two subgroups identified as either Class 2a or Class 2b. Class 2a probe applications typically include aircraft that operate within the mid to lower end of the Class 2 altitude range and that only use probe output to display basic airspeed and/or altitude. As such, Class 2a probes do not have to test ice crystals at an altitude-capable icing tunnel. Class 2b…
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Droplet Impingement and Ice Accretion Computer Codes

AC-9C Aircraft Icing Technology Committee
  • Aerospace Standard
  • ARP5903
  • Current
Published 2015-06-01 by SAE International in United States
This document provides information, guidelines, and practices for the application, use, and administration of two-dimensional and three-dimensional droplet impingement and ice accretion computer codes. The codes provide computational simulations of inflight icing that predict droplet trajectory, water loading, and ice accretion on aircraft components. These ice accretion characteristics are used during the aircraft design and certification process.
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SAE Aerospace Applied Thermodynamics Manual Ice, Rain, Fog, and Frost Protection

AC-9C Aircraft Icing Technology Committee
  • Aerospace Standard
  • AIR1168/4A
  • Historical
Published 2014-01-14 by SAE International in United States
This section presents the basic equations for computing ice protection requirements for nontransparent and transparent surfaces and for fog and frost protection of windshields. Simplified graphical presentations suitable for preliminary design and a description of various types of ice, fog, frost, and rain protection systems are also presented.
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Aircraft Inflight Icing Terminology

AC-9C Aircraft Icing Technology Committee
  • Aerospace Standard
  • ARP5624
  • Current
Published 2013-04-23 by SAE International in United States
This SAE Aerospace Recommended Practice (ARP) provides recommended definitions for terms commonly used in aircraft inflight icing system design and analysis, research, and operations. Some general thermodynamic terms are included that are frequently used in icing analysis, but this document is not meant to be an inclusive list of such terms.
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